CN110362778A - Indoor air environment method for quantitatively evaluating - Google Patents
Indoor air environment method for quantitatively evaluating Download PDFInfo
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- CN110362778A CN110362778A CN201910411372.6A CN201910411372A CN110362778A CN 110362778 A CN110362778 A CN 110362778A CN 201910411372 A CN201910411372 A CN 201910411372A CN 110362778 A CN110362778 A CN 110362778A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000013139 quantization Methods 0.000 claims abstract description 7
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 58
- 239000003344 environmental pollutant Substances 0.000 claims description 23
- 231100000719 pollutant Toxicity 0.000 claims description 23
- 201000010099 disease Diseases 0.000 claims description 20
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 20
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 9
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- 230000001717 pathogenic effect Effects 0.000 claims description 8
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 7
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 claims description 6
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 6
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical compound CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 claims description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 6
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 claims description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 6
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 4
- 231100001223 noncarcinogenic Toxicity 0.000 claims description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims description 4
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical class CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 claims description 3
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims description 3
- 230000037149 energy metabolism Effects 0.000 claims description 3
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical compound CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 claims description 3
- 229960002415 trichloroethylene Drugs 0.000 claims description 3
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 claims description 3
- 230000000711 cancerogenic effect Effects 0.000 claims description 2
- 231100000315 carcinogenic Toxicity 0.000 claims description 2
- -1 chloroethenes Alkene Chemical class 0.000 claims description 2
- 239000001273 butane Substances 0.000 claims 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000012545 processing Methods 0.000 description 11
- 238000011156 evaluation Methods 0.000 description 8
- 238000004364 calculation method Methods 0.000 description 4
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 4
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 description 2
- 239000001282 iso-butane Substances 0.000 description 2
- 235000013847 iso-butane Nutrition 0.000 description 2
- 231100000590 oncogenic Toxicity 0.000 description 2
- 230000002246 oncogenic effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229950011008 tetrachloroethylene Drugs 0.000 description 2
- 231100000027 toxicology Toxicity 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000013079 data visualisation Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000012067 mathematical method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002110 toxicologic effect Effects 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
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Abstract
The invention discloses a kind of indoor air environment method for quantitatively evaluating, and indoor air environment and thermal environment are influenced to quantify caused by people, provide an intuitive numerical value, to illustrate the superiority and inferiority of current indoor air environment.The present invention considers each environmental parameter, provides indoor each environmental parameter to indoor occupant quantization influence value, using quantization computation model, the influence caused by people of indoor different parameters can be understood in detail, personnel can as the case may be, and key factor in regulation room makes interior reach optimum state.
Description
Technical field
The present invention relates to indoor air environment appraisal procedures, and in particular to is related to a kind of indoor air environment quantitatively evaluating side
Method.
Background technique
The research of indoor air environment evaluation method is mainly set about in terms of room air or thermal environment at present, qualitatively
Influence of the current indoor air environment to the people in wherein Working Life is described, such as describes human body to Indoor Thermal ring with pmv value
The feeling in border, with the metrics evaluations indoor air environment good degree such as air quality index；Also there is a few studies person by Indoor Thermal
Environment combines with air environment, takes the lead in using mathematics method, the mathematical methods such as analytic hierarchy process (AHP) are come to Interior Space compression ring
Border is carried out compared with overall merit.Chinese patent 201810185571.5 utilizes temperature and humidity in sensor technology acquisition indoor air environment
Parameter and formaldehyde, PM2.5 concentration parameter carry out overall merit, evaluation to indoor air environment comfort level using mathematics method
As a result qualitative description is carried out with this outstanding, good, medium, poor and dangerous five grades.Although this method refers to more first
Into computation model, but to the evaluation of indoor air environment it is only qualitative on description, people simultaneously do not know about indoor air environment
There is what kind of interactively between indoor occupant, and Consideration is less in Selecting research object, it is difficult to description comprehensively
Current indoor air environment situation.Additionally, due to the adaptivity of human body, the variation of indoor air environment does not make one sometimes
Show obvious uncomfortable feeling, cause qualitative evaluation result and realistic situation deviation occur.And qualitatively evaluation is tied
Fruit can not the accurate description indoor environment biggest impact factor, be difficult to determine that preferential optimization is arranged when optimizing indoor environment
It applies.
Summary of the invention
Goal of the invention: the object of the present invention is to provide a kind of indoor air environment method for quantitatively evaluating, solve existing evaluation
Method can only be formed evaluation, it is difficult to current indoor air environment situation is described comprehensively, can not accurate description indoor environment it is maximum
Impact factor.
Technical solution: indoor air environment method for quantitatively evaluating of the present invention, comprising the following steps:
(1) PM2.5 in collection room, formaldehyde, TVOC, temperature and humidity, air velocity, radiation temperature parameter information；
(2) healthy life penalty values caused by calculating indoor formaldehyde exposure according to formaldehyde information；
(3) the healthy life penalty values under interior TVOC exposure are calculated according to TVOC information；
(4) the healthy life penalty values under PM2.5 exposure are calculated according to PM2.5 information；
(5) effective time caused by calculating thermal environment according to temperature and humidity, air velocity, radiation temperature information loses
Value；
(6) data result that step (2)-(5) obtain is added, quantization shadow of the indoor environment that you can get it to personnel
Ring value.
Wherein, the step (2) specifically calculates are as follows:
In formula, DALYFormaldehydeIndicate healthy life penalty values caused by indoor formaldehyde exposure,Indicate formaldehyde
The oncogenic insults factor,Indicate the non-carcinogenic damage factor of formaldehyde, QFormaldehyde _ intakeIndicate indoor occupant sucking
Formaldehyde amount.
The specific calculating process of the step (3) are as follows:
The complex damage factor is first calculated, calculating process is as follows:
In formula,Indicate the damage factor of TVOC,Expression accounts for the 16 of TVOC content 50%
The complex damage factor of kind pollutant, Wi indicate the mean concentration accounting of pollutant i in 16 kinds of pollutants；Indicate dirty
Contaminate the damage factor of object i；Indicate the complex damage factor of remaining 50% pollutant in TVOC,Table
Show the damage factor of j-th of pollutant in other n pollutant；
The healthy life penalty values under interior TVOC exposure are calculated according to the following formula:
In formula, DALYTVOCIndicate healthy life penalty values caused by interior TVOC exposure, QTVOC_intakeIndicate indoor occupant
The amount of the TVOC of sucking.
The unit of the pathogenic terminal and the terminal of causing a disease that determine PM2.5 in the step (4) first occurs caused by number of cases
Healthy life penalty valuesThe generation number of cases that the pathogenic terminal of PM2.5 is calculated further according to indoor PM2.5 exposure value, calculating should
The healthy life penalty values of all pathogenic terminals are added by the healthy life penalty values for terminal of causing a disease, and are obtained under PM2.5 exposure
Healthy life penalty values.
The circular of healthy life penalty values under the PM2.5 exposure is as follows:
CPM2.5=CPM2.5-CThreshold value
In formula, DIiIndicate the generation number of cases of disease i；yiIndicate the basic incidence of disease i；βiIndicate that example occurs for disease i
Several coefficients with concentration variation；ΔCPM2.5The exposure concentrations for indicating PM2.5 are more than the amount of secure threshold；CPM2.5Indicate PM2.5
Exposure level；CThreshold valueIndicate the exposure thresholds of PM2.5；Indicate that the healthy life penalty values of number of cases occur for disease i unit；
DALYi_PM2.5Indicate healthy life penalty values caused by disease i under current PM2.5 exposure level； DALYPM2.5Expression is exposed to
Healthy life penalty values under PM2.5.
Indoor pmv value is calculated according to temperature and humidity, air velocity, radiation temperature information first in the step (5), by PMV
Effective time penalty values caused by value calculates the working efficiency RP of indoor occupant, and calculating is reduced as working efficiency.
The effective time penalty values circular is as follows:
RP=-0.0351 × PMV3-0.5294×PMV2-0.215×PMV+99.865
In formula, M indicates human energy metabolism rate, and W indicates the mechanical work that human body is done, PaExpression steam partial pressure, kPa,
TaIndicate air themperature, fclIndicate that clothes area coefficient, tcl indicate clothes hull-skin temperature, TrIndicate mean radiant temperature, hc
Indicate that convection transfer rate, RP indicate opposite working efficiency, TAlwaysIndicate total working time, TL indicates effective time loss
Value.
The pollutant includes iso-butane, methylene chloride, n-hexane, chloroform, 1,1,1- trichloroethanes, benzene, tetrachloro
Change carbon, trichloro ethylene, toluene, tetrachloro-ethylene, ethylbenzene, m- dimethylbenzene, p- dimethylbenzene, styrene, o- dimethylbenzene and decane.
The utility model has the advantages that the present invention considers each environmental parameter, indoor each environmental parameter is provided to indoor occupant quantization influence
Value can understand the influence caused by people of indoor different parameters, personnel can be according to specific feelings using quantization computation model in detail
Condition, key factor in regulation room, makes interior reach optimum state.
Detailed description of the invention
Fig. 1 is flow chart of data processing of the present invention；
Fig. 2, Fig. 3 are computation model of the present invention to room air parameter；
Fig. 4 is computation model of the present invention to Indoor Thermal Environment parameter.
Specific embodiment
Invention is further explained with reference to the accompanying drawing.
As shown in Figure 1, present system mainly includes acquisition module, data processing module, the output module three of data
Part.
Wherein, the acquisition module of data needs related data information in collection room.Present invention uses Modern Sensor Technology,
Suitable position arranges several wireless sensors, PM2.5, formaldehyde, TVOC, temperature and humidity, air velocity, radiation in collecting chamber indoors
The parameter informations such as temperature, it is then that data connection is defeated to data by the parameter of collection by GPRS technical transmission to wireless terminal
It is to be processed to enter module etc..
It include a data input channel, a data processing module and multiple in data processing module of the invention
Data output.The data being passed to by data input module, into data processing module.Data processing step is as described below:
Step 1: the processing of PARA FORMALDEHYDE PRILLS(91,95) data, treatment process is as shown in Fig. 2, its calculation method is as follows:
In formula, DALYFormaldehydeIndicate healthy life penalty values caused by indoor formaldehyde exposure, y/y/100000 people；Indicate the oncogenic insults factor of formaldehyde, y/kg；Indicate the non-carcinogenic damage factor of formaldehyde,
y/kg；QFormaldehyde _ intakeIndicate the formaldehyde amount of indoor occupant sucking, kg.
Step 2: the calculation method of the processing to TVOC data, the complex damage factor is as follows:
In formula,Indicate the damage factor of TVOC, y/kg；Expression accounts for TVOC content 50%
16 kinds of pollutants the complex damage factor, which is respectively as follows: iso-butane, methylene chloride, n-hexane, three chloromethanes
Alkane, 1,1,1- trichloroethanes, benzene, carbon tetrachloride, trichloro ethylene, toluene, tetrachloro-ethylene, ethylbenzene, m- dimethylbenzene, p- dimethylbenzene,
Styrene, o- dimethylbenzene, decane.Wherein Wi indicates the mean concentration accounting of pollutant i in 16 kinds of pollutants；It indicates
The damage factor of pollutant i, y/kg；Indicate the complex damage factor of remaining 50% pollutant in TVOC,Indicate the damage factor of j-th of pollutant in other n pollutant, unit y/kg.Species are polluted in remaining ingredient
Class be it is uncertain, by B.In document " Organic Compounds in Indoor Environments-
Review " and A.P.Jones in document " Indoor air quality and health " to indoor volatile organic compounds kind
The pollutant and its toxicology data that wherein have toxicologic study data are listed in the summary of class one by one, and removal damage factor is most
It is big and the smallest, the arithmetic mean of instantaneous value of contaminant remaining damage factor is calculated, the synthesis of TVOC is calculated separately out according to above formula
Carcinogenic and non-carcinogenic damage factor, and the healthy life penalty values under interior TVOC exposure are calculated according to the following formula:
In formula, DALYTVOCIndicate healthy life penalty values caused by interior TVOC exposure, y/y/100000 people；
QTVOC_intakeIndicate the amount of the TVOC of indoor occupant sucking, kg.
The processing of step 3:PM2.5 data, treatment process are as shown in Figure 3, it is first determined the pathogenic terminal and the cause of PM2.5
Healthy life penalty values caused by number of cases occur for the unit of sick terminalPM2.5 is calculated further according to indoor PM2.5 exposure value
The generation number of cases for terminal of causing a disease calculates the healthy life penalty values of the terminal of causing a disease, the healthy life of all pathogenic terminals is damaged
Mistake value is added, and show that the healthy life penalty values under PM2.5 exposure, calculation method are as follows:
CPM2.5=CPM2.5-CThreshold value
In formula, DIiIndicate the generation number of cases of disease i；ΔCPM2.5The exposure concentrations for indicating PM2.5 are more than secure threshold
Amount, CPM2.5Indicate PM2.5 exposure level, ug/m3, CThreshold valueIndicate the exposure thresholds of PM2.5；βiIndicate disease i occur number of cases with
The coefficient of concentration variation；The healthy life penalty values of expression disease i unit generation number of cases, y/y/； DALYi_PM2.5
Indicate healthy life penalty values caused by disease i, y/y/100000 people, DALY under current PM2.5 exposure levelPM2.5Indicate sudden and violent
The healthy life penalty values being exposed under PM2.5, y/y/100000 people.
Step 4: healthy life penalty values caused by various pollutants are added up to get air environment to indoor occupant
Quantization influence result.
Step 5: the processing of thermal environment parameter, treatment process according to indoor thermal environment parameter as shown in figure 4, calculate first
Indoor pmv value calculates the loss of effective time further according to pmv value, and calculation method is as follows:
RP=-0.0351 × PMV3-0.5294×PMV2-0.215×PMV+99.865
In formula, M indicates human energy metabolism rate, W/m2；W indicates the mechanical work that human body is done, W/m2；PaIndicate vapor
Partial pressure, kPa；TaIndicate air themperature, DEG C；fclIndicate that clothes area coefficient, tcl indicate clothes hull-skin temperature, DEG C；TrIt indicates
Mean radiant temperature, DEG C；hcIndicate convection transfer rate, W/ (m2·K)；RP indicates opposite working efficiency；TAlwaysIndicate total work
Time, y/y；TL indicates the penalty values of effective time, y/y/100000 people.
In order to facilitate the present invention, treated that data can be observed by indoor technical staff, and the present invention is at data processing end
Data visualization interface is added in end, and using Java technology, user terminal adds and sets smart screen indoors, makes DALYFormaldehyde、DALYTVOC、
DALYPM2.5、DALYFormaldehyde+DALYTVOC+DALYPM2.5、TL、TL+DALYFormaldehyde+DALYTVOC+DALYPM2.5, etc. calculated results by should
Screen is shown, people is allowed to understand indoor indices situation in real time, and according to each index value, it is excellent to make indoor air environment
Change regulation measure.
Claims (8)
1. a kind of indoor air environment method for quantitatively evaluating, which comprises the following steps:
(1) PM2.5 in collection room, formaldehyde, TVOC, temperature and humidity, air velocity, radiation temperature parameter information；
(2) healthy life penalty values caused by calculating indoor formaldehyde exposure according to formaldehyde information；
(3) the healthy life penalty values under interior TVOC exposure are calculated according to TVOC information；
(4) the healthy life penalty values under PM2.5 exposure are calculated according to PM2.5 information；
(5) effective time penalty values caused by calculating thermal environment according to temperature and humidity, air velocity, radiation temperature information；
(6) data result that step (2)-(5) obtain is added, quantization influence of the indoor environment that you can get it to personnel
Value.
2. indoor air environment method for quantitatively evaluating according to claim 1, which is characterized in that the step (2) is specific
It calculates are as follows:
In formula, DALYFormaldehydeIndicate healthy life penalty values caused by indoor formaldehyde exposure；Indicate the carcinogenic of formaldehyde
Damage factor refers to that a people takes in the formaldehyde-caused healthy life penalty values of unit mass；Indicate formaldehyde
Non-carcinogenic damage factor, y/kg；QFormaldehyde _ intakeIndicate the formaldehyde amount of indoor occupant sucking.
3. indoor air environment method for quantitatively evaluating according to claim 1, which is characterized in that the step (3) is specific
Calculating process are as follows:
The complex damage factor is first calculated, calculating process is as follows:
In formula,Indicate the damage factor of TVOC,Expression accounts for 16 kinds of dirts of TVOC content 50%
The complex damage factor of object is contaminated, Wi indicates the mean concentration accounting of pollutant i in 16 kinds of pollutants；Indicate pollutant i
Damage factor；Indicate the complex damage factor of remaining 50% pollutant in TVOC,Indicate it
The damage factor of j-th of pollutant in his n pollutant；
The healthy life penalty values under interior TVOC exposure are calculated according to the following formula:
In formula, DALYTVOCIndicate healthy life penalty values caused by interior TVOC exposure, QTVOC_intakeIndicate indoor occupant sucking
TVOC amount.
4. indoor air environment method for quantitatively evaluating according to claim 1, which is characterized in that first in the step (4)
Healthy life penalty values caused by number of cases occur for the unit of the pathogenic terminal and the terminal of causing a disease that first determine PM2.5Again
The generation number of cases that the pathogenic terminal of PM2.5 is calculated according to indoor PM2.5 exposure value calculates the healthy life loss of the terminal of causing a disease
The healthy life penalty values of all pathogenic terminals are added by value, obtain the healthy life penalty values under PM2.5 exposure.
5. indoor air environment method for quantitatively evaluating according to claim 4, which is characterized in that under the PM2.5 exposure
Healthy life penalty values circular it is as follows:
CPM2.5=CPM2.5-CThreshold value
In formula, DIiIndicate the generation number of cases of disease i, example/100000 people；yiIndicate the basic incidence of disease i；βiIndicate disease
The coefficient of number of cases and concentration variation occurs for i；ΔCPM2.5The exposure concentrations for indicating PM2.5 are more than the amount of secure threshold；CPM2.5It indicates
PM2.5 exposure level, CThreshold valueIndicate the secure threshold of PM2.5,Indicate that the healthy life damage of number of cases occurs for disease i unit
Mistake value；DALYi_PM2.5Indicate healthy life penalty values caused by disease i, DALY under PM2.5 exposure levelPM2.5Expression is exposed to
Healthy life penalty values under PM2.5.
6. indoor air environment method for quantitatively evaluating according to claim 1, which is characterized in that first in the step (5)
Indoor pmv value is first calculated according to temperature and humidity, air velocity, radiation temperature information, is imitated by the work that pmv value calculates indoor occupant
Rate RP, and calculate reduced as working efficiency caused by effective time penalty values.
7. indoor air environment method for quantitatively evaluating according to claim 6, which is characterized in that the effective time
Penalty values circular is as follows:
RP=-0.0351 × PMV3-0.5294×PMV2-0.215×PMV+99.865
In formula, M indicates human energy metabolism rate, and W indicates the mechanical work that human body is done, PaIndicate steam partial pressure, TaIndicate air
Temperature, fclIndicate that clothes area coefficient, tcl indicate clothes hull-skin temperature TrIndicate mean radiant temperature, hcIndicate that convection current is changed
Hot coefficient, RP indicate opposite working efficiency, TAlwaysIndicate total working time, TL indicates effective time penalty values.
8. indoor air environment method for quantitatively evaluating according to claim 1, which is characterized in that the pollutant includes different
Butane, methylene chloride, n-hexane, chloroform, 1,1,1- trichloroethanes, benzene, carbon tetrachloride, trichloro ethylene, toluene, four chloroethenes
Alkene, ethylbenzene, m- dimethylbenzene, p- dimethylbenzene, styrene, o- dimethylbenzene and decane.
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